Actually, his example was the SIMPLE case. It was an enhancement. For a real change, you'd have to add everything needed for regression testing. That would double again what was needed.
Once I was doing service work for a large software house and had to enlarge a dictionary for one customer by 2 characters to handle some of his data. 11 weeks and 4 committees later, my mod was rejected because of impact on other customers. Bottom line: 5 minutes dev work, 50 hours overhead for that change.
Once I was doing service work for a large software house and had to enlarge a dictionary for one customer by 2 characters to handle some of his data. 11 weeks and 4 committees later, my mod was rejected because of impact on other customers. Bottom line: 5 minutes dev work, 50 hours overhead for that change.